The lock has a rise/fall of 8 ft 1 in (2.46 m).[1]
The lock is unique compared to others on the canal in that it has a swing bridge directly over the centre of the lock that must be opened before the lock may be used.
References
^Pearson, Michael (2003). Kennet & Avon Middle Thames:Pearson's Canal Companion. Rugby: Central Waterways Supplies. ISBN0-907864-97-X.